Dr. Mercola Lutein with ZeaxathinContributing to normal, age related vision loss, blue LED light is harmful not only to your eyes retina but also to your natural body rhythms. It inhibits the production of melatonin, your sleep hormone, and can cause occasional headaches and vision fatigue. Three carotenoids lutein, meso zeaxanthin and RR zeaxanthin are highly concentrated in your eyes macula, which is responsible for your central vision and visual acuity. These carotenoids make up